Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AS

Akira Sakai — 244 Patents

Sharp Kabushiki Kaisha: 89 patents #51 of 10,731Top 1%
Canon: 45 patents #893 of 19,416Top 5%
Toyota: 23 patents #918 of 26,838Top 4%
STSharp Display Technology: 18 patents #1 of 250Top 1%
Fujitsu Limited: 15 patents #1,986 of 24,456Top 9%
ACAdvics Co.: 11 patents #49 of 686Top 8%
KCKonami Digital Entertainment Co.: 9 patents #12 of 611Top 2%
Nec: 8 patents #1,746 of 14,502Top 15%
RIRiken: 7 patents #79 of 1,824Top 5%
NCNational Cancer Center: 7 patents #15 of 486Top 4%
NCNkk Co.: 4 patents #135 of 1,173Top 15%
Pioneer: 3 patents #574 of 1,730Top 35%
UNUnknown: 3 patents #7,366 of 83,584Top 9%
Hitachi: 3 patents #10,718 of 28,497Top 40%
Denso: 3 patents #3,857 of 11,792Top 35%
ACAlps Electric Co.: 2 patents #822 of 2,177Top 40%
TOTomoegawa: 2 patents #24 of 108Top 25%
SUShowa University: 2 patents #1 of 55Top 2%
SSSakurai Graphic Systems: 2 patents #1 of 13Top 8%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
TCTaiho Kogyo Co.: 1 patents #179 of 332Top 55%
YKYkk: 1 patents #472 of 845Top 60%
TITexas Instruments: 1 patents #7,388 of 12,488Top 60%
AEAlpine Electronics: 1 patents #279 of 637Top 45%
Kabushiki Kaisha Toshiba: 1 patents #13,641 of 21,451Top 65%
FVFuture Vision: 1 patents #7 of 35Top 20%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
IPIncrement P: 1 patents #16 of 50Top 35%
JAJapan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
FCFutaba Industrial Co.: 1 patents #70 of 167Top 45%
MCMitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
NUNagoya University: 1 patents #34 of 109Top 35%
NYNec Yonezawa: 1 patents #3 of 11Top 30%
NLNoritake Co., Limited: 1 patents #133 of 334Top 40%
SCShowa Yakuhin Kako Co.: 1 patents #23 of 52Top 45%
Nagoya, JP: #1 of 6,680 inventorsTop 1%
Overall (All Time): #2,130 of 4,157,543Top 1%
244 Patents All Time
Akira Sakai has been granted 244 US patents while listed as an inventor at Sharp Kabushiki Kaisha. The first was granted in 1980 and the most recent in September 2025. Akira Sakai ranks #2,130 of 4,157,543 US inventors in our database (top 0.05%). Patent records list Akira Sakai in Nagoya, JP.

Patents per Year

Patents granted per year, 1994 to 2025Bar chart with a peak of 22 patents in 2024.peak 221994: 4 patents19941995: 4 patents1996: 2 patents1997: 1 patents19971998: 7 patents1999: 13 patents2000: 8 patents20002001: 6 patents2002: 6 patents2003: 3 patents20032004: 3 patents2005: 8 patents2006: 5 patents20062009: 1 patents2010: 4 patents2011: 8 patents20112012: 8 patents2013: 4 patents2014: 3 patents20142015: 8 patents2016: 12 patents2017: 6 patents20172018: 7 patents2019: 7 patents2020: 15 patents20202021: 17 patents2022: 10 patents2023: 10 patents20232024: 22 patents2025: 13 patents2025

Issued Patents All Time

Showing 1–25 of 244 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12420206 Information processing system, information processing method, and nontransitory storage medium Shigeru Chiba, Kai INOUE, Junki HIRAI, Tsuguo Shinpo, Toshiaki KANAHARA 2025-09-23
12420428 Baked object taking-out apparatus Hiromu Kondo, Kenichi Tanaka, Hidetaka Kato 2025-09-23
12420203 Game system, storage medium used in such, and control method Shigeru Chiba, Junki HIRAI, Kai INOUE, Tsuguo Shinpo, Toshiaki KANAHARA 2025-09-23
12403396 Information processing system, information processing method, and non-transitory storage medium Shigeru Chiba, Kai INOUE, Junki HIRAI, Tsuguo Shinpo, Toshiaki KANAHARA 2025-09-02
12386111 Optical element, and method of producing optical element Ryosuke SAIGUSA, Yuichi Kawahira 2025-08-12
12352194 Method of manufacturing exhaust pipe Shigeru Ogawa, Riku Ono 2025-07-08
12315151 Computer-readable recording medium having stored therein information processing program, information processing apparatus, and method for processing information Masaaki Komatsu, Kanto Shozu 2025-05-27
12315146 Calculation method, calculation device, and computer-readable recording medium 2025-05-27
12299880 Computer-readable recording medium having storing therein evaluating program, evaluating apparatus, and method for evaluating Masaaki Komatsu, Tetsuo Sasano, Hideki Arima, Ryuji Hamamoto 2025-05-13
12265307 Liquid crystal display device Koji Murata, Akira Hirai, Hiroshi Tsuchiya, Takashi Satoh, Shinji Shimada 2025-04-01
12226705 Method for controlling game apparatus, game system, and recording medium Shigeru Chiba, Junki HIRAI, Kai INOUE, Tsuguo Shinpo, Toshiaki KANAHARA 2025-02-18
12220644 Watching system, computer program for watching system, and control method for watching system Kazuhiko Uehara, Shigeru Chiba, Junki HIRAI, Kai INOUE, Tsuguo Shinpo +1 more 2025-02-11
12204197 Color filter and liquid crystal display device Yuichi Kawahira, Masahiro Hasegawa, Ryosuke SAIGUSA, Jianeng Xu 2025-01-21
12181699 Display device having a multilayered optical stack in combination with a display panel and a touch panel Masahiro Hasegawa, Miho Yamada, Kiyoshi Minoura 2024-12-31
12174483 Optical element and display device Yuichi Kawahira, Masahiro Hasegawa, Ryosuke SAIGUSA, Jianeng Xu 2024-12-24
12175203 Control method, control program, and information processing device Masahiro Kataoka, Satoshi Onoue 2024-12-24
12174482 Display device Ryosuke SAIGUSA, Yuichi Kawahira, Masahiro Hasegawa 2024-12-24
12147125 Liquid crystal panel and three-dimensional display device Hiromi Matsumoto, Takahiro Sasaki, Takashi Satoh 2024-11-19
12138555 Distribution system, distribution system controlling method, and computer program Yoshihiko Narita, Shigeru Chiba, Kai INOUE, Tsuguo Shinpo, Toshiaki KANAHARA +1 more 2024-11-12
12117634 Flexible display device, method for manufacturing flexible display device, and foldable display device Miho Yamada, Masahiro Hasegawa 2024-10-15
12117697 Liquid crystal display device Mariko HONDA, Nobuhiro Waka, Hiroyuki Hakoi, Takahiro Sasaki, Takashi Satoh +1 more 2024-10-15
12101963 Display device including reflective and absorbing polarizers Ryuzo Yuki, Kiyoshi Minoura, Kohzoh Nakamura 2024-09-24
12083434 Control method for game apparatus, and game system with advertising management Toshiaki KANAHARA, Shigeru Chiba, Kai INOUE, Junki HIRAI, Tsuguo Shinpo 2024-09-10
12078878 Viewing angle control liquid crystal panel and display device Koji Murata, Akira Hirai, Takashi Satoh, Kiyoshi Minoura 2024-09-03
12068106 Solenoid valve 2024-08-20